SSH-nanigans: Busting Open the Mainframe's Iron Fortress through Unix

Philip Young

DEF CON 33 · Day 3 · Main Stage

IBM mainframes (z/OS systems) are among the most security-hardened computing platforms on earth. They run global financial transactions, process enormous volumes of government and healthcare data, and

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SSH to z/OS USS unlocks a decade's worth of Unix privilege escalation against what everyone assumes is the most hardened platform in enterprise computing — and the misconfigurations are real, current, and endemic.

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